filter
(1)过滤
(2)滤光器，滤光片，滤光镜
(3)滤波器
(4)过滤器

• diamagnetism
• diamantin[e]
• diameter
• diameter feedback control
• diametral
• diametral pitch
• diamond
• diamond antenna
• diamond anvil cell
• diamond blade
• diamond-charged ring tool
• diamond-charged saw
• diamond cutter
• diamond dust
• diamond grit
• diamond-impregnated tool
• diamond lap
• diamond lattice
• diamond-mesh reflector
• diamond mill
• diamond paste
• diamond pellet
• diamond powder
• diamond prinding wheel
• diamond saw